OpenTechnical

OT-2026-000012183

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000012183) never changes.

Identity and time

Publication numberOT-2026-000012183 · never reused
Internal UUID01a0ae6d-39f5-7662-800f-7eb6d6b27056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012183
StatusPUBLIC

Content hashes

Canonical text9a72147873536cc8971380a655d7c469c7ce82d7f59d72b3151ca938c12beaeb
Markdown5500e8001705d07253e03c9c04f5477a37092930cc6d77b66b74e76dfd6457e5
PDF
Publication pagecb48f7ad370a8100d94eac2df6104a14fffa2cdc681ecc77020f7674ed7fc319
Manifest8bad129fe82df309ef22fca6b6d7b76abcab5056b5b9e3ba5eb86e47aab4f08b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureiowqBBSn0sg3NBaeftrYU91iY7twEsd3VTVWDmQEK69LEgqHUZvsVb8rw80fDSvsXFs0ZLK3go+DyTewGtPeDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:05.266200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012183
observed cb48f7ad370a8100d94eac2df6104a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.246335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012183/manifest.json
observed 8bad129fe82df309ef22fca6b6d7b76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.227050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012183/publication.md
observed 5500e8001705d07253e03c9c04f5477a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.209117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012183/publication.txt
observed 9a72147873536cc8971380a655d7c469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.